<?php
session_start();
?>

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Ausloggen</title>
<link rel="stylesheet" type="text/css" href="format.css" /> 
</head>
<body>
<?php

session_unset();
session_destroy();
$_SESSION = array();
echo"<meta http-equiv='refresh' content='1; URL=index.html'>";

?>

</body>
</html>